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Finding the Fourth Proportional to 706,639.55, 976,161.38 and 547,546.23

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Solution

The fourth proportional to 706,639.55, 976,161.38 and 547,546.23 is: 756,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,639.55 : 976,161.38 = 547,546.23 : x
  2. Step 2: Convert to fraction form
    706,639.55/976,161.38 = 547,546.23/x
  3. Step 3: Cross multiply
    706,639.55x = 976,161.38 × 547,546.23
  4. Step 4: Simplify right side
    706,639.55x = 534,493,480,752.87
  5. Step 5: Solve for x
    x = 534,493,480,752.87/706,639.55
  6. Step 6: Final answer
    x = 756,387.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.